i.MX ProcessorsのトピックRe: Regarding SDIO as I/O device https://community.nxp.com/t5/i-MX-Processors/Regarding-SDIO-as-I-O-device/m-p/641280#M97872 <HTML><HEAD></HEAD><BODY><P>Q. So what will be the state of CD and WP if i am not using these line for my application.</P><P>A. Both these pins should be tied to GND on the i.MX6 side.</P><P>Q. If i am using SDIO as an I/O device is there any recommendation for data lines , cmd lines and clk .</P><P>A. No external pull-ups/pull-downs are required on the data/cmd/clk lines for normal SDIO operation.</P><P><BR />Have a great day,<BR />Artur</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 21 Feb 2017 09:12:28 GMT art 2017-02-21T09:12:28Z Regarding SDIO as I/O device https://community.nxp.com/t5/i-MX-Processors/Regarding-SDIO-as-I-O-device/m-p/641279#M97871 <HTML><HEAD></HEAD><BODY><P>Hi</P><P></P><P>I am using SMARC card based on iMX6 solo platform.</P><P>The pin outs from &nbsp;the SMARC based card has <STRONG>CD and WP(as GPIO pins from iMX6)</STRONG> along with CLK ,CMD and 4 Data lines.</P><P>So what will be the state of CD and WP if i am not using these line for my application.</P><P>If i am using SDIO as an I/O device is there any recommendation for data lines , cmd lines and clk .</P><P>because as per SDIO spec Data3 line need pull up.</P><P>I have attached the pins from SMARC card for your reference.</P><P>Kindly please confirm.</P><P></P><P>Regards</P><P>Ashutosh</P></BODY></HTML> Thu, 16 Feb 2017 07:46:54 GMT https://community.nxp.com/t5/i-MX-Processors/Regarding-SDIO-as-I-O-device/m-p/641279#M97871 ashutoshnahar 2017-02-16T07:46:54Z Re: Regarding SDIO as I/O device https://community.nxp.com/t5/i-MX-Processors/Regarding-SDIO-as-I-O-device/m-p/641280#M97872 <HTML><HEAD></HEAD><BODY><P>Q. So what will be the state of CD and WP if i am not using these line for my application.</P><P>A. Both these pins should be tied to GND on the i.MX6 side.</P><P>Q. If i am using SDIO as an I/O device is there any recommendation for data lines , cmd lines and clk .</P><P>A. No external pull-ups/pull-downs are required on the data/cmd/clk lines for normal SDIO operation.</P><P><BR />Have a great day,<BR />Artur</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 21 Feb 2017 09:12:28 GMT https://community.nxp.com/t5/i-MX-Processors/Regarding-SDIO-as-I-O-device/m-p/641280#M97872 art 2017-02-21T09:12:28Z